\contentsline {section}{\numberline {1}8.14 Practice three FD formulas, deduce orders of accuracy and give a geometric interpretation.}{2}%
\contentsline {section}{\numberline {2}8.15 Prove orders of accuracy for the above three FD formulas.}{3}%
\contentsline {section}{\numberline {3}8.16 Derive a quadratic polynomial and obtain the FD formula from taking derivative.}{3}%
\contentsline {section}{\numberline {4}8.20 Show the differences in the max-norm, 1-norm and 2-norm.}{3}%
\contentsline {section}{\numberline {5}8.44 Show the first column of $B_E$ contains elements that are $O(1)$.}{4}%
